US2371086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic injector
Assignee: Watson Chemical Corp
•
Filing: 1941-11-12
•
Granted: 1945-03-06
•
Expires: 1961-11-12
Abstract
No abstract record available.
Inventors
- 👤 Watson Edward David
- 👤 Edmonds Rudolph Archi Luscombe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:48
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/281; A61M5/282; A61M5/31; A61M5/32; A61M5/34; A61M5/344; A61M2005/3103; A61M2005/3107; A61M2005/311; A61M5/285; A61M5/288; A61M5/347
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-03-05 | 1948-09-04 | 1949-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-03-05 | 1952-09-04 | 1953-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-03-05 | 1956-09-04 | 1957-03-06 | $7700.00 | Window Closed / Lapsed |